Overview

overview

10

Static

static

10

51cb81ec80...5f.exe

windows7-x64

10

51cb81ec80...5f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    63s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2022 15:04

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General

  • Target

    51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe

  • Size

    34KB

  • MD5

    76c242bdf600d151aceb5c09b81ed447

  • SHA1

    f45d598dc49acc4271d38895363fe3cf1d390a54

  • SHA256

    51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f

  • SHA512

    35eb33b57f5ef16976b39c6dc5c7868495693f43cd7758cb7070d9dc3fdc9ac65d6fe0d828c6c974f5caf8f908b289e0b1ba8a0f58d176f9ae83356915934183

  • SSDEEP

    768:EegeEbf2rriFVI1kggGVtSMC2F7QGIFFBMterI6ywBuO1NJ:uE+VYVYMC2F7AoterI6yR2r

Score
10/10
blackmatterransomwareupx

Malware Config

Extracted

Path

C:\OpA4hYU4k.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/GDBJS76DH3D4IKQD2QO7R

Extracted

Family

blackmatter

Version

1.2

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe
    "C:\Users\Admin\AppData\Local\Temp\51cb81ec805a5fe9f67ab14cee4703ca83840285cc81d50761b18092bed8745f.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4212
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4212-132-0x0000000000E30000-0x0000000000E47000-memory.dmp

    Filesize

    92KB

    Download

  • memory/4212-133-0x0000000000E30000-0x0000000000E47000-memory.dmp

    Filesize

    92KB

    Download